# 7.2 Stats HW

question
Which of the following is NOT needed to determine the minimum sample size required to estimate a population​ proportion?
standard deviationσ
question
When analyzing​ polls, which of the following is NOT a​ consideration?
The sample should be a voluntary response or convenience sample.
question
Which of the following is NOT a requirement for constructing a confidence interval for estimating the population​ proportion?
trials are done without replacement
question
Which of the following is NOT an observation about critical​ values?
A critical value is the area in the​ right-tail region of the standard normal curve.
question
Which of the following is NOT true of the confidence level of a confidence​ interval?
There is a 1 - α ​chance, where α is the complement of the confidence​ level, that the true value of p will fall in the confidence interval produced from our sample.
question
A​ _______ is a single value used to approximate a population parameter.
point estimate
question
Which of the following groups has terms that can be used interchangeably with the​ others?
Percentage, probability, and proportion
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Which concept below is NOT a main idea of estimating a population​ proportion?
Using a sample statistic to estimate the population proportion is not utilizing descriptive​ statistics
question
A critical​ value, zα​, denotes the​
z-score with an area of α to its right.
1 of 9
question
Which of the following is NOT needed to determine the minimum sample size required to estimate a population​ proportion?
standard deviationσ
question
When analyzing​ polls, which of the following is NOT a​ consideration?
The sample should be a voluntary response or convenience sample.
question
Which of the following is NOT a requirement for constructing a confidence interval for estimating the population​ proportion?
trials are done without replacement
question
Which of the following is NOT an observation about critical​ values?
A critical value is the area in the​ right-tail region of the standard normal curve.
question
Which of the following is NOT true of the confidence level of a confidence​ interval?
There is a 1 - α ​chance, where α is the complement of the confidence​ level, that the true value of p will fall in the confidence interval produced from our sample.
question
A​ _______ is a single value used to approximate a population parameter.